MR223A3 Geissele gasblock for modular HK rail
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Thread: MR223A3 Geissele gasblock for modular HK rail

  1. #1
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    Default MR223A3 Geissele gasblock for modular HK rail

    Hi guys.

    Iíve been told the default MR223A3 gasblock needs itís loops cut off for the Super Modular HK rail to fit.
    Since I was also contemplating on cutting down the 14,5Ē barrel I thought maybe I should just order a new Geissele gas block, but there not much info on their website. Also due to ITAR they canít seem to provide support.

    Do you guys maybe know if their gas blocks will fit the MR223A3 and if I can use it when I would have the barrel cut?

    Any help would be greatly appreciated.

    Kind regards
    Hans

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    Geissele's Super gas block is made for internal piston guns with gastubes, they won't work with the short-stroke piston of the HK416/MR556 family of guns.

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    Ok. Well that answers that question. :) thanks.

    Any suggestion maybe? For a replacement gasblock which can also be used with a cut barrel?

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    Default MR223A3 Geissele gasblock for modular HK rail

    Buy an HK416/MR556 slim line vented gas block.


    Mfr Part: 50235691


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    This for example?

    https://www.hkparts.net/shop/pc/Gas-...ne-14p2660.htm

    Any info on the necessary modification?

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    Quote Originally Posted by hraaij View Post
    This for example?

    https://www.hkparts.net/shop/pc/Gas-...ne-14p2660.htm

    Any info on the necessary modification?
    That looks like the correct one. The modification mentioned refers to enlarging the gasport size to work with shorter dwell time. I'm not sure what size that is, but I'm sure somebody here knows it.

  8. #7
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    The MR223A3 gas block does not have sling loops.

  9. #8
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    Quote Originally Posted by SwissCollector View Post
    The MR223A3 gas block does not have sling loops.
    That is what I wanted to write as well.
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